*Created by: mhoemmen* @trilinos/tpetra ## Current Behavior The following subclasses of `Tpetra::DistObject` currently implement the "old" DistObject interface (copyAndPermute, packAndPrepare, unpackAndCombine) instead of the "new" DistObject interface (copyAndPermuteNew, packAndPrepareNew, unpackAndCombineNew): - CrsGraph - BlockMultiVector ## Motivation and Context We want to deprecate and remove the "old" DistObject interface. ## Related Issues * Is blocked by #4852